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DeepSeek vs Qwen Chat

Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.

DeepSeek

Open source · MIT

An open-source agent harness built on a plugin-first design, run from a local Web UI.

Qwen Chat

AI tool · Free

Alibaba's chat interface for its Qwen model family, covering text, coding, image and video generation.

The short answer

Choose DeepSeek if you need…

  • Developers who want to experiment with an agent harness they can extend with plugins
  • Developers already interested in the Cordis plugin model
  • People comfortable running a local dev tool from the command line
  • Plugin authors who want to publish to the dsh-plugin topic

Choose Qwen Chat if you need…

  • Trying Qwen models
  • Multilingual and coding tasks

Side-by-side

DeepSeekQwen Chat
TypeDev toolAI assistants · General assistants
PriceFree and open source (hosted plans: freemium)Free
LicenceMIT—
GitHub stars269k—
Setup difficultyIntermediate—
How you get itInstall with a package manager—
PlatformsWeb, iOS, Android, APIWeb, iOS, Android
Works with——
Main languageTypeScript—
Last code update7 days ago—
Hands-on tested by us—Not yet
Last checked—2026-10-29

What each one is

DeepSeek

DeepSeek Harness (dsh) is an open-source agent harness from DeepSeek AI, built so that nearly every part is a plugin. It runs on Cordis, a plugin framework the README links to, and can be started as a local Web UI. The README describes it as being in developer preview, so the interface and APIs may change.

Qwen Chat

Alibaba's chat interface for its Qwen model family, covering text, coding, image and video generation. Capable models at no cost. Data-handling terms and jurisdiction are worth checking for business use.

Best for

DeepSeek

  • Developers who want to experiment with an agent harness they can extend with plugins
  • Developers already interested in the Cordis plugin model
  • People comfortable running a local dev tool from the command line
  • Plugin authors who want to publish to the dsh-plugin topic

Qwen Chat

  • Trying Qwen models
  • Multilingual and coding tasks

Strengths

DeepSeek

  • Built on a stated everything-is-a-plugin architecture
  • Can be started quickly with a single npx command, per the README
  • Documentation, a Discord community and GitHub Discussions are linked from the README

Qwen Chat

  • Multiple Qwen models
  • Image and video generation
  • Web search
  • Artifacts-style previews

Not ideal for

DeepSeek

  • Users who need a stable production system, since the README warns of compatibility-breaking changes during developer preview
  • Anyone who has not read the SAFETY.md notice, which the README asks users to review before running it
  • Non-technical users looking for a finished consumer app; the README assumes Node.js or a repository checkout

Qwen Chat

—

Trade-offs

DeepSeek

  • The README explicitly says it is in developer preview with breaking changes expected
  • The README is truncated and gives limited detail on features and models supported
  • Requires understanding of Node.js or pnpm and a local dev workflow

Qwen Chat

—

Getting started

DeepSeek

Run from npm

npx @deepseek-ai/dsh web

Clone the repository

git clone https://github.com/deepseek-ai/deepseek-harness.git
Step-by-step guide: how to use DeepSeek

Frequently asked questions

What is the difference between DeepSeek and Qwen Chat?

DeepSeek: An open-source agent harness built on a plugin-first design, run from a local Web UI. Qwen Chat: Alibaba's chat interface for its Qwen model family, covering text, coding, image and video generation. DeepSeek suits developers who want to experiment with an agent harness they can extend with plugins, while Qwen Chat suits trying qwen models.

Are DeepSeek and Qwen Chat free?

DeepSeek: Free and open source (hosted plans: freemium). Qwen Chat: Free.

What are other alternatives to DeepSeek and Qwen Chat?

Other options people compare them with include LangChain, CrewAI, Our Free Model, Claude, ChatGPT.

Keep comparing

Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.